* array.c (rb_ary_bsearch): Raise TypeError on bad return from block

* range.c (range_bsearch): ditto

* test/ruby/test_array.rb (class): Test for above

* test/ruby/test_range.rb (class): ditto

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38986 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1 deletions

diff --git a/array.c b/array.c
index 3f448063ce..e76801df50 100644
--- a/array.c
+++ b/array.c
@@ -2462,7 +2462,9 @@ rb_ary_bsearch(VALUE ary)
 	    }
 	}
 	else {
-	    smaller = RTEST(v);
+	    rb_raise(rb_eTypeError, "wrong argument type %s"
+		"(must respond be numeric, true, false or nil)",
+		rb_obj_classname(v));
 	}
 	if (smaller) {
 	    high = mid;